It is important that your family doctor check your progress at regular appointments. This is necessary to allow dose adjustments and to reduce any unwanted effects.
Before you have any kind of surgery, dental treat, or emergency treat, tell the family doctor or dentist in charge that you are using this drug. Taking donepezil together with certain medication that are using during surgery or dental or emergency treats may increase the effects of those medication and cause unwanted effects.
This drug may cause some people to become dizzy or drowsy, to have blurred vision, or to have problems with clumsiness or unsteadiness Make sure you know how you react to this drug before you drive, use machines, or do anything else that could be dangerous if you are not alert, well-coordinated and able to see clearly.
If you think that you or someone else may have taken an overdose of this drug, get emergency help at once. Taking an overdose of this drug may cause convulsions - seizures or serious effects on your heart and your breathing. Signs of overdose include increased watering of mouth, increased sweating, low blood pressure, muscle weakness, severe nausea, severe vomiting, slow heartbeat and troubled breathing.